objective c - How can I pass values from obj-C to a quartz composer view? -

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in .xib application i'm working on, have quartz composer viewer object (qcview) in window. have patch controller (qcpatchcontroller). patch controller has own class files in xcode, aren't doing right now. following apple docs, able bind values within .nib file if edited text field, pass value published input on qc document. unfortunately, these docs nothing how pass values programatically. how can pass values (in code) qc patch?

thanks in advance!

you should able use -setvalue:forkeypath:. example:

[patchcontroller setvalue:@"foo" forkeypath:@"patch.stringinput.value"];

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